Bootloader will remain unlocked, but you can re-lock it using fastboot oem lock .
This process may completely wipe your device. Back up all files to a computer or cloud storage. huawei mediapad x1 70 update lollipop install
This technical paper examines the upgrade process for the Huawei MediaPad X1 7.0 (Model IDs: S7-701u, S7-701w) from the native Android 4.2 Jelly Bean operating system to Android 5.0/5.1 Lollipop. The paper analyzes the hardware constraints of the HiSilicon Kirin 910 chipset, evaluates the availability of official firmware, and outlines the procedural requirements for installing third-party Custom ROMs. Emphasis is placed on the necessity of bootloader unlocking and custom recovery installation due to the cessation of official manufacturer support. Bootloader will remain unlocked, but you can re-lock